4.2B Place Value Boulder Retest

Front

What is place value?

Back

Place value is the value of a digit based on its position in a number. For example, in the number 345, the digit 3 is in the hundreds place, so its value is 300.

Front

What is the value of the digit 4 in the number eight hundred forty-nine thousand, six hundred seven?

Back

40,000

Front

What does expanded notation mean?

Back

Expanded notation is a way of writing numbers that shows the value of each digit. For example, 345 can be written as 300 + 40 + 5.

Front

How do you write 3.5 in words?

Back

three and five-tenths

Front

What is the value of the digit 2 in the number 42,810.76?

Back

2,000 (2 x 1,000) in the thousands place.

Front

What is the value of the digit 6 in the number 42,810.76?

Back

0.06 (6 x 0.01) in the hundredths place.

Front

What is the value of the digit 8 in the number 42,810.76?

Back

800 (8 x 100) in the hundreds place.

Front

What is standard form?

Back

Standard form is the way of writing numbers using digits. For example, 5,302.69 is in standard form.

Front

What is the difference between standard form and expanded notation?

Back

Standard form uses digits to represent a number, while expanded notation breaks the number down into the sum of its parts.

Front

How do you convert a decimal to a fraction?

Back

To convert a decimal to a fraction, write the decimal over its place value. For example, 0.5 = 5/10, which simplifies to 1/2.